//
//  LGBaseCollectionViewController.m
//  LuxuryGoods
//
//  Created by 刘星辰 on 2018/5/20.
//  Copyright © 2018年 Future. All rights reserved.
//

#import "LGBaseCollectionViewController.h"


@interface LGBaseCollectionViewController ()

@end

@implementation LGBaseCollectionViewController

static NSString * const reuseIdentifier = @"Cell";

- (void)viewDidLoad {
    [super viewDidLoad];
    
    self.view.backgroundColor = BACKGROUND_COLOR;
    
    self.leftButton = [UIViewController createNavLeftBtn];
    [self.leftButton addTarget:self action:@selector(popOrDismiss) forControlEvents:UIControlEventTouchUpInside];
    if ([self.navigationController.viewControllers firstObject] != self)
    {
        self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc]initWithCustomView:self.leftButton];
        self.navigationItem.backBarButtonItem = nil;
    }
}

-(void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    //    [[SDImageCache sharedImageCache] clearMemory];
    NSLog(@"%@ 内存警告",[NSString stringWithUTF8String:object_getClassName(self)]);
    if ([self.view window] == nil)// 是否是正在使用的视图
    {
        [self.view.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)];
        for (NSInteger i = 0;i < self.view.subviews.count; i++)
        {
            UIView *subview = [self.view.subviews objectAtIndex:0];
            subview = nil;
        }
        self.view = nil;// 目的是再次进入时能够重新加载调用viewDidLoad函数。
    }
    
}

- (NSString *)returnControllerName
{
    NSString *className = NSStringFromClass([self class]);
    return className;
}


-(void)dealloc
{
    [[NSNotificationCenter defaultCenter] removeObserver:self];
    NSLog(@"dealloc - %@",[self returnControllerName]);
}

/*
#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    // Get the new view controller using [segue destinationViewController].
    // Pass the selected object to the new view controller.
}
*/

#pragma mark <UICollectionViewDataSource>

- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView {
#warning Incomplete implementation, return the number of sections
    return 0;
}


- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
#warning Incomplete implementation, return the number of items
    return 0;
}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    UICollectionViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:reuseIdentifier forIndexPath:indexPath];
    
    // Configure the cell
    
    return cell;
}

#pragma mark <UICollectionViewDelegate>

/*
// Uncomment this method to specify if the specified item should be highlighted during tracking
- (BOOL)collectionView:(UICollectionView *)collectionView shouldHighlightItemAtIndexPath:(NSIndexPath *)indexPath {
	return YES;
}
*/

/*
// Uncomment this method to specify if the specified item should be selected
- (BOOL)collectionView:(UICollectionView *)collectionView shouldSelectItemAtIndexPath:(NSIndexPath *)indexPath {
    return YES;
}
*/

/*
// Uncomment these methods to specify if an action menu should be displayed for the specified item, and react to actions performed on the item
- (BOOL)collectionView:(UICollectionView *)collectionView shouldShowMenuForItemAtIndexPath:(NSIndexPath *)indexPath {
	return NO;
}

- (BOOL)collectionView:(UICollectionView *)collectionView canPerformAction:(SEL)action forItemAtIndexPath:(NSIndexPath *)indexPath withSender:(id)sender {
	return NO;
}

- (void)collectionView:(UICollectionView *)collectionView performAction:(SEL)action forItemAtIndexPath:(NSIndexPath *)indexPath withSender:(id)sender {
	
}
*/

@end
